And charles p



(No Model.)

E. Z. GOLLINGS 8v C. 1?'. PIKE.

DISINFEGTI-NG SEWERS.

No.- 297,229. Patented Apr..22, 1884.

`UNETED STATES PATENT EDWARD z. coLLrNcs, E cAMDEN, NEw JERSEY, ANDCHARLES E. PIKE, 0E PHILADELPHIA, PENNSYLVANIA.

DISINFECTING SEWERS.

SPECIFICATION forming part of Letters Patent No. 297,229, dated April2,2, 1884.

Application filed March 12, 1883. (No model.)

To all whom, it may concern.' being inserted in the generator and setiire to Beitknowu that we, EDWARD Z. COLLINGS, or heated, to producefumes of sulphur; or of Camden, in the county of Camden and State anyother suitable combination of ingredients l of New Jersey, and CHARLESF. PIKE, residmay be employed, and treated in any desired 55 ing atPhiladelphia, in the county ofPhiladeL. manner to evolve any of thewell-known disphia and State of Pennsylvania, citizens of the infectantgases or fumes, as we do not confine United States, have inventedcertain new and our invention to the particular kind of disinusefulImprovements in Disinfecting Sewers, fectant-gas used, nor to the way inwhich it is of which the following is a specification, refevolved. 6o roerence being had therein to the accompanying E The operation is asfollows: The gas, being drawing, which is a diagram illustrating ourgenerated in the device G, is conined therein invention. by the closingof the valve g. Such gas Our improvements have relation todisiutherefore accumulates under pressure in the fecting sewers, andhave for their object the generator. The pump D is then started. It 65accomplishment of such result and the deexhausts the air within thesewer and creates struction of all fungus; and the invention cona draftin the dire'ct-ion of opening B, as indisists of the novel combinationand arrangecated by the arrows. Simultaneously with or ment of partscomprisinga complete disinfectsubsequently to the formation of suchartifiing apparatus, as hereinafter spcciiically decial draft, the cockor valve g isopened, per- 7o 2o scribed and claimed. mitting the gas inthe generatorto expand and Referring to the accompanying drawing, Apropel itself into the opening C, and thence represents a sewer, and Band C two inlets or into the sewer. Such gas, entering the pathman-holes thereof. The opening B may be of the artificial draft, isthereby gradually connear the outlet of the sewer, while the openveyedthrough the sewer A to `the end B, the 7 5 ing C is at the extremeopposite end, or at the generator meanwhile still continuing to feedbeginning of any of the ramications of the gas to the opening C. Vhenthe gas reaches sewer. At the opening B is placed a pump, the pump andescapes therefrom, it is stopped, fan, ejector, or other suitablesuction apparaand, if desired, the valve g is closed. The tus. D, whichcommunicates bya pipe, b2, with sewer is then eithertilled with gas,according 8o 3o a chimney or conduit, E, or a furnace, F. to the volumeforced tliereinto by the gen- When to the latter, the pipe b2 iscontinued erator G, or such gas has traveled the length of into thesame, as shown in dotted lines x. the sewer from o'peningGto aperture B.In its The opening B is sealed bya cap or cover, B', passage ithasattacked and destroyedallfungus which is provided with a pipe, b,having, if growth adhering to the exposedinner wallsof S5 desired, afunnel-shaped end, b. Said pipe b the sewer, and thoroughly disinfectedand deis connected to pump D, as shown. On either odorized the latter,thereby rendering it inside of the man-hole or opening whereat thenoxious. By stopping the operation of pump, suction is created isvplaced a removable diathe gas is confined in the sewer, therebydephragm, a. The opening C is -provided with riving the full effect ofits use. It is gradually 9o 4o a cap, G', havingapipe, c, which leads toa disused up or carried off by the water passing infectant-gasgenerator, G. The pipe o is prof through the sewer. The water,therebybecomvided with a valve, g'. ,Said generator may ing impregnated withchlorine or the disinbe of any suitable or -ordinary construction,fectant gasused, also becomes a disinfectant and the gas may be evolvedtherein by introfor the sewer, so that while the gas acts upon 95 ducingthereinto a mixture of chloride of lime the upper part ofthe sewer suchwater proand vinegar, which chemically act upon each duces acorresponding effect upon the lower other to evolve chlorine gas; orblack oxide portion thereof 5 hence the sewer is doubly of manganese,common salt, and sulphuric disinfected. acid may be placed within thegenerator, and We have shown and described the generaroo 5o heat (shownat y) applied thereto for p roduction of the gases at the sewerinlet-openings; ing the chlorine; or sulphur may be used, it but it isevident that the gas may be produced at one or a central location,compressed into l reservoirs, and conveyed to the inlets, either bytransporting the reservoirs thereto or conducting the gas through pipes.

The air exhausted from the sewer may be forced to a furnace, F, or otherpurifier before being allowed to escape into the atmosphere; or it maybe conveyed through chimney E to some altitude.

We are aware that the products of combustion have been forced into asewer, and to that We make no claim; but

That We claim isl. The combination, with a sewer having man-holes, of adisinfccting apparatus consisting of a generator having a pipe extendinginto one man-hole, and a. pulnp or exhaust placed at the other man-hole,substantially as described.

ED\VARD Z". GOLLlNG-S. CHARLES F. PIKE.

YVitnesses:

t3. J. Van Srrwonnn, Crus. F. VAN HORN.

